package com.sky.controller.admin;

import com.github.pagehelper.PageHelper;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Category;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Slf4j
@RequestMapping("/admin/dish")
@Api(tags = "菜品接口")
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;


    @PostMapping
    @ApiOperation("添加菜品")
    public Result insertDish(@RequestBody DishDTO dishDTO){
        Long categoryId = dishDTO.getCategoryId();
        String key="CATEGORY_"+categoryId;
        clearCache(key);
        dishService.insertDish(dishDTO);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询")
    public Result<PageResult> list(DishPageQueryDTO dishPageQueryDTO){
        PageResult pageResult= dishService.list(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result deleteByIds(@RequestParam List<Long> ids){
        clearCache("CATEGORY_*");
        dishService.deleteByIds(ids);
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> selectById(@PathVariable Long id){
        DishVO dishVO= dishService.selectById(id);
        return Result.success(dishVO);
    }

    @GetMapping("/list")
    @ApiOperation("根据分类查询菜品")
    public Result<List<Dish>> selectByCategoryId(Long categoryId){
        List<Dish> list= dishService.selectByCategoryId(categoryId);
        return Result.success(list);
    }

    @PostMapping("/status/{status}")
    @ApiOperation("禁用或开启商品")
    public Result startOrStop(@PathVariable Integer status,Long id){
        clearCache("CATEGORY_*");
        dishService.startOrStop(status,id);
        return Result.success();
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        clearCache("CATEGORY_*");
        dishService.update(dishDTO);
        return Result.success();
    }

    public void clearCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
